Loud speaker with minimized magnetic leakage

Details Loud speaker with minimized magnetic leakage Loud speaker with minimized magnetic leakage

1981-09-29

1983-12-20

Rubinson, G. Z.

1791155R, 179117, 179119R, H04R 900, H04R 906

Patent

active

044219563

ABSTRACT:
A loudspeaker is provided which has a novel integrally formed back plate and pole-piece. The back plate and pole-piece has an annular portion and a toroidal portion. The result is a marked reduction in magnetic leakage caused by reluctance due to interfaces and corners.

REFERENCES:
patent: 3296386 (1967-01-01), Fansfelow
patent: 3358089 (1967-12-01), Parker
patent: 3453400 (1969-07-01), Coen
patent: 3881074 (1975-04-01), Kawamura
patent: 3953687 (1976-04-01), Carbonneau

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